Where the Buffalo Roam
Bruce Gourley
Grand Geyser Vertical
Bruce Gourley
Beehive Geyser Shower in Black and White
Bruce Gourley
Grand Prismatic Runoff
Bruce Gourley
Artemisia Geyser Terrace Patterns
Bruce Gourley
Yellowstone Autumn Grasses Near Hot Pool
Bruce Gourley
A Corner of Morning Glory
Bruce Gourley
Sunrise Near Yellowstone's Punch Bowl Spring
Bruce Gourley
Backcountry Thermal Pool on Yellowstone's Firehole River
Bruce Gourley
Yellowstone Steam 02 Black and White
Bruce Gourley
Grand Prismatic Spring Sunset in Yellowstone
Bruce Gourley
Standing Tall and Cold
Bruce Gourley
Sunset Over Great Fountain Geyser in Yellowstone National Park
Bruce Gourley
Mammoth Hot Springs Terrace in Yellowstone National Park
Bruce Gourley
Yellowstone's Canary Springs
Bruce Gourley
Yellowstone's Canary Springs 002
Bruce Gourley
Exploding Mud in Yellowstone National Park
Bruce Gourley
Fine Place for a Dead Tree
Bruce Gourley
Black Sand Basin Therma Runoff Yellowstone
Bruce Gourley
Clepsydra Geyser at Sunset
Bruce Gourley
Glorious Grand Geyser
Bruce Gourley
Thermal Grass Island
Bruce Gourley
Thermal Waters at West Thumb
Bruce Gourley
Yellowstone's Morning Glory Pool Pool and Awesome Clouds
Bruce Gourley
Wandering and Wondering at Grand Prismatic Spring 02
Bruce Gourley
Abyss Pool in Yellowstone National Park
Bruce Gourley
Yellowstone Steam
Bruce Gourley
Yellowstone Steam 03
Bruce Gourley
Yellowstone National Park's Red Spouter
Bruce Gourley
Yellowstone's Canary Springs and a Slice of Light of a Late Winter's Day
Bruce Gourley
Magid Sepia Yellowstone Morning
Bruce Gourley
Grand Prismatic Spring in Yellowstone National Park One of the Most Beautiful Spots in America
Bruce Gourley
Crowding Around Yellowstone's Grand Geyser
Bruce Gourley
Crowding Around Yellowstone's Grand Geyser Horizontal Full Color
Bruce Gourley
Near Grand Prismatic
Bruce Gourley
Chromatic Pool Yellowstone National Park
Bruce Gourley
Castle Geyser Morning II
Bruce Gourley
Biscuit Basin Bacterial Mat
Bruce Gourley
Thermal Rocks in Yellowstone National Park
Bruce Gourley
White Dome Geyser Eruption in Yellowstone National Park
Bruce Gourley
Ear Spring in Late Afternoon Sunlight
Bruce Gourley
The Splendor of Morning Glory
Bruce Gourley
Wandering and Wondering at Grand Prismatic Spring
Bruce Gourley
Old Faithful Geyser Reflections
Bruce Gourley
Yellowstone's Canary Springs in the Golden Light of a Late Winter's Day
Bruce Gourley
Caste Geyser Yellowstone Black and White
Bruce Gourley
Brilliant Grand Prismatic Spring in Yellowstone National Park
Bruce Gourley
Yellowstone's Beehive Geyser on the Firehole River
Bruce Gourley
Nesting Mud Bubbles in Yellowstone's Artist Paint Pots
Bruce Gourley
Clepsydra Geyser
Bruce Gourley
Hungry Looking Bacterial Mat Yellowstone
Bruce Gourley
Ojo Caliente Summer in Yellowstone
Bruce Gourley
Thermal Pool and Big Sky in Yellowstone
Bruce Gourley
Black and White Winter Eruption of Old Faithful Geyser
Bruce Gourley
Emerging from Winter's Fog in Yellowstone
Bruce Gourley
Grand Geyser and Tree Stump
Bruce Gourley
Grand Geyser and Shrouded Trees
Bruce Gourley
Bacteria Art Orange Mouse
Bruce Gourley
Riverside Geyser
Bruce Gourley
Slow Burial in Yellowstone
Bruce Gourley
Fall Boulder and Steam Yellowstone National Park
Bruce Gourley
Morning in Yellowstone's Upper Geyser Basin
Bruce Gourley
A Colorful Death
Bruce Gourley
Black Sand Basin Runoff Yellowstone
Bruce Gourley
Wall Pool in Yellowstone National Park #2
Bruce Gourley
Foggy Morning on Firehole Lake Drive
Bruce Gourley
Grand Prismatic Sunset
Bruce Gourley
Otherworldly Yellowstone
Bruce Gourley
Path Along the Underworld
Bruce Gourley
Minute Geyser Portrait
Bruce Gourley